2169 results about "Round bar" patented technology

The invention relates to the technical field of cables, and discloses a multi-layer composite wrapped high-temperature-resistant anti-aging cable which sequentially comprises a conductor, an insulating cable core, a shielding layer, an outer insulating layer, a fireproof layer, a heat insulation layer, a buffer cushion layer, an armor layer, an anti-aging layer and an outer sheath layer from inside to outside. The fireproof layer is formed by alternately laminating synthetic mica tapes and ceramic boron silicone rubber tapes, a reliable fireproof barrier is formed, and the heat insulation layer is arranged to achieve efficient heat insulation and stable structure through cooperation of gradient pore nano aerogel, ceramic silicone rubber round rods and phase change capsules. The buffering cushion layer is combined with the composite layer, the aluminum oxide hollow ball array and the composite capsule, so that the mechanical buffering and auxiliary heat insulation functions are achieved; the armor layer is woven by stainless steel fibers, the mechanical protection capability is improved, and the anti-aging layer is of a double-layer structure composed of montmorillonite composite fluororubber and an anti-oxidation layer, so that thermal oxidation aging is delayed.

The application belongs to the technical field of round bar bending and cutting device, in particular to a bending and cutting equipment for stainless steel round bar processing, which comprises a conveying and processing assembly, an upper resisting component, a bending assembly, a conveying limiting block and a base plate, an adjustable auxiliary assembly is installed on one side of the conveying limiting block, the adjustable auxiliary assembly comprises a fixed plate fixedly installed above the base plate and a movable plate movably installed above the base plate, the lower inclined plate pushes the movable resisting block through the driving of the telescopic piece, that is, the two movable resisting blocks position the round bar inside the movable resisting block through the arc-shaped blocks, the round bar and the workpiece connection are cut off as the cutting knife continues to descend along with the top plate, after the cutting work is completed, the telescopic piece is driven to make the top plate ascend, the movable plate moves away from the fixed plate to expand the distance between them, the movable polishing assembly is used to make the polishing structure enter the distance between the fixed plate and the movable plate, and the cut surface of the round bar and the workpiece is polished.

The invention provides a rotary ultrasonic detection method for defects of a near-surface area of a round rod, and relates to the technical field of material detection. The method comprises the following steps: selecting a round rod with the same specification as a to-be-detected rod as a sample rod, and forming a surface groove and a near-surface transverse hole in the sample rod; the ultrasonic probe transmits ultrasonic waves to the sample rod, and ultrasonic signals corresponding to the surface groove and the near-surface transverse hole are obtained; parameters of the ultrasonic probe are adjusted according to the ultrasonic signals, and corresponding setting parameters are set under the condition that the amplitudes of the ultrasonic signals corresponding to the surface grooves and the near-surface transverse holes are consistent; the ultrasonic probe scans the to-be-detected rod according to set parameters; the set parameters of the ultrasonic probe corresponding to the consistent amplitude of the ultrasonic signals corresponding to the surface groove and the near-surface transverse hole are obtained, it is ensured that good scanning signals are obtained for the surface groove damage and the near-surface transverse hole at the same time when the sample rod near-meter area is detected and verified, the detection reliability is improved, operation is easy, the success rate is high, and therefore the operation efficiency is improved.

The invention relates to the technical field of material metallurgy, and discloses high-wear-resistance hot-rolled round steel for titanium-containing steel balls and a preparation method thereof.The round steel comprises 0.60%-0.67% of C, 1.40%-1.60% of Si, 0.70%-0.90% of Mn, smaller than or equal to 0.020% of P, smaller than or equal to 0.015% of S, 0.70%-0.90% of Cr, 0.10%-0.15% of Ti, smaller than or equal to 0.30% of Ni, smaller than or equal to 0.40% of Cu, smaller than or equal to 0.05% of Al, smaller than or equal to 0.0020% of O, smaller than or equal to 0.0002% of H and smaller than or equal to 0.0035% of N; and the balance of Fe and inevitable impurities. Through the high-titanium-low-nitrogen microalloying design, the technical contradiction that the toughness is remarkably reduced when the strength and the hardness of traditional high-carbon steel ball steel are improved is solved, and excellent synergistic improvement of the strength, the hardness and the toughness is achieved.

The disclosure relates to a segmented ball valve for low noise and anti-cavitation applications, wherein a replaceable cartridge may be fixed inside and retained by stem and end post. The cartridge may incorporate irregular or regular polygonal-shaped plates or a combination of polygonal shaped plates and round bars facilitating staged pressure reduction and effectively mitigating or eliminating the occurrence of high-intensity cavitation and noise. The segment may have a precisely machined cylindrical bore designed to accommodate a slide-fit anti-cavitation and noise reduction cartridge; this allows for convenient field replaceability of the cartridge with minimal effort, eliminating the need for welding or fasteners to affix it to the segment. This cartridge may also facilitate the utilization of this fully cylindrical bore inside the segment for incorporating a greater number of pressure reduction stages compared to the currently available designs.

The invention relates to the technical field of forge piece forming, in particular to a deep-cavity thin-wall support forge piece, a forging die and a forming method.The deep-cavity thin-wall support forge piece is characterized in that a heated round bar is subjected to roll forging to obtain a preformed blank, and oxide skin of the blank obtained after roll forging is removed; putting the prefabricated blank into a pre-forging cavity of a forming die, and performing pre-forging forming; after pre-forging is finished, the pre-forged piece is transferred into a precision forging cavity of the same forming die to be subjected to precision forging forming, and a bilaterally symmetrical precision forging piece is obtained; putting the bilaterally symmetrical precision forgings into a slicing die frame for trimming, and cutting off flashes; cutting the bilaterally symmetrical precision forgings subjected to cold shaping from the shunting bin through a cutting device, and separating the bilaterally symmetrical precision forgings into two independent single forgings; forming defects are eliminated, and the forging yield is improved to the level of stable mass production; the thickness tolerance of the functional surface of the product is ensured, the spot welding current stability and the welding strength are ensured, the assembly requirement is met, and the dependence on subsequent machining is reduced; the material cost is reduced and the mold life is prolonged.

The invention discloses a graphite round rod rotary cutting machining platform, and belongs to the technical field of graphite raw material machining. The graphite round rod rotary cutting machining platform comprises a workbench, a cutter adjusting assembly is arranged in the middle of the workbench, and a plurality of discharging ports are distributed in the workbench in the circumferential direction with the cutter adjusting assembly as the circle center; a plurality of first rotating assemblies corresponding to the discharging ports are distributed on the workbench in the circumferential direction, first clamping assemblies used for clamping the rectangular graphite column are arranged on the first rotating assemblies, a pushing and pressing assembly used for pushing the rectangular graphite column downwards is movably arranged on the workbench, and an automatic switching assembly is arranged between the pushing and pressing assembly and the first rotating assemblies; the cutting device has the advantages of stable relative clamping, rotary cutting of a plurality of rectangular graphite columns through one-time operation, intermittent downward pushing, complete and efficient cutting and reliable structure.

A silicon rod manufacturing method, comprising: S1, cutting a round rod (100) in a first direction to obtain a first rough square rod (1) and a plurality of offcut blocks (2), the first direction being the axial direction of the round rod (100); S2, cutting each of the offcut blocks (2) in the first direction to obtain second rough square rods (21); S3, grinding the second rough square rods (21), and bonding and stacking the plurality of ground second rough square rods (21) in a second direction to obtain a second square rod (3), the second direction being orthogonal to the first direction; and S4, cutting the second square rod (3) in the second direction to obtain a plurality of second silicon rods (31). The method saves raw materials, and increases the utilization rate of the round rod (100), thereby improving the production efficiency of finished square rods, and reducing the production cost. The present invention also relates to a silicon rod and a photovoltaic silicon wafer.

The invention belongs to the field of medical titanium alloy material processing, and particularly relates to a preparation method of a high-strength titanium-zirconium alloy wire. The Ti-Zr alloy comprises the following chemical components in percentage by mass: 13.5-16.5% of Zr, less than or equal to 0.10% of Fe, less than or equal to 0.10% of C, less than or equal to 0.015% of H, less than or equal to 0.6% of O, less than or equal to 0.05% of N and the balance of Ti. Firstly, a round bar blank with a certain size is obtained through the procedures of smelting, forging and drawing; and then a finished wire is prepared in the modes of temperature-controlled drawing, stress relief annealing and centerless grinding. By means of the method, the high-strength titanium-zirconium alloy wire with Rm larger than or equal to 950 MPa and A larger than or equal to 10% can be obtained, the problems that the implant material Ti-Zr alloy is low in strength and the like are solved, the high-strength titanium-zirconium alloy wire for dental products can be produced through the method, and qualified raw materials are provided for the dental implant products.

The invention provides a seamless steel pipe for a hollow anchor rod and a strength regulation and control method thereof. Alloy steel round steel is heated and then subjected to hot piercing to be manufactured into a hollow pipe blank; the hollow pipe blank is subjected to spheroidizing annealing treatment and then cooled, and a first treated steel pipe is obtained; wherein the ferrite grain size D1 of the first treated steel pipe is calculated according to a spheroidizing annealing grain size model; the first treated steel pipe is subjected to cold finish rolling forming and cleaned to obtain a second treated steel pipe; the ferrite effective grain size Ddef of the second treatment steel pipe is calculated according to the cold deformation grain refinement model; recrystallizing and annealing the second treated steel pipe to obtain the seamless steel pipe; the ferrite grain size D2 of the seamless steel pipe is calculated according to the recrystallization grain evolution model; the yield strength Rp0.2 of the seamless steel pipe is calculated according to a strength model; reverse design of the yield strength of the seamless steel pipe is achieved, and meanwhile it is guaranteed that the seamless steel pipe has good plasticity.

The invention discloses a hardware fitting integrated forming machining device and a using method thereof, and belongs to the technical field of electric power accessory machining, the hardware fitting integrated forming machining device comprises a rack and further comprises a material box, the material box is fixedly arranged on the rack, a plurality of metal round bars are stacked in the material box, and a discharging groove used for moving out the metal round bars is formed in one side of the material box; the pushing assembly is arranged on the rack, arranged on the side, away from the discharging groove, of the material box and used for pushing the metal round bars on the lowermost layer of the material box; the two stamping assemblies are arranged at the two ends of the material box correspondingly and used for stamping the metal round bars moved out of the material box; and an auxiliary molding seat. Bending, flattening and punching of a metal blank can be conveniently completed at a time, then a U-shaped hanging ring is machined and formed at a time, the machining efficiency of the U-shaped hanging ring is improved, machining errors caused by position changes during transferring and overturning of the metal blank are reduced, the machining and forming precision is improved, and the forming quality is guaranteed.

The utility model discloses an overturning material supporting and receiving device in the technical field of metal round bar processing, which comprises a bearing platform used for bearing a metal round bar, the bearing platform is V-shaped, and the metal round bar can be kept at the central position of the bearing platform; the feeding device is used for feeding the metal round bars to the bearing platform, and before the feeding device is turned over to the position between the center of the bearing platform and the discharging end of the feeding device, so that the metal round bars fed by the feeding device can directly fall to the center position of the v-shaped bearing platform along the feeding device; therefore, the metal round bars are prevented from being stuck by oil stains on the surface of the bearing platform, and the metal round bars cannot roll to a station in the center of the bearing platform.

The invention belongs to the technical field of metal material machining equipment, and particularly discloses full-automatic grinding and polishing equipment for a round rod fatigue specimen. The problems that an existing single grinding and polishing mode occupies many devices and is low in grinding and polishing efficiency are solved. Comprising a base, a grinding and polishing area support and a motor support, a first supporting column is fixed to the grinding and polishing area support, the first supporting column is sequentially sleeved with an upper tip assembly, a grinding and polishing roller assembly and a lower tip assembly from top to bottom, and the lower tip assembly and the upper tip assembly are oppositely arranged and clamp a round rod fatigue sample and drive the round rod fatigue sample to rotate. A circumferential gear transmission mechanism is further arranged on the base, a main transmission motor and a centralized control box are arranged on the motor support, the main transmission motor is connected with an adjustable cam transmission rod, the adjustable cam transmission rod is connected with the grinding and polishing roller assembly, and the main transmission motor and the circumferential gear transmission mechanism are both electrically connected with the centralized control box. The grinding and polishing efficiency of the round rod fatigue specimen is improved, and meanwhile the grinding and polishing requirements of domestic and foreign standards are met.

The utility model provides an air curling accessory and an electric hair drier applying the same, the air curling accessory comprises a curling iron main body, the curling iron main body is in a hollow round bar shape, at least two groups of air outlet arrays are arranged on the curling iron main body at intervals along the axial direction, and each air outlet array comprises at least two air outlet channels which are distributed at intervals along the circumferential direction of the curling iron main body; one axial end of the curling iron main body is a closed end, and the other axial end of the curling iron main body is an air inlet end; the air outlet channel is connected to the outer side face of the curling iron body to form an arc-shaped concave air outlet notch, and an included angle is formed between the tangential direction of the air outlet notch and the highest point of the axis of the curling iron body and the air outlet direction of the air outlet channel. Due to the fact that the air outlet channels of the multiple air outlet arrays integrally formed with the curling iron body form the air outlet notches with certain angles at the wave troughs, the whole structure of the curling iron accessory is simplified, the cost of the curling iron accessory is reduced, and meanwhile the curling effect of hot air output by the curling iron accessory is improved.

The utility model discloses a transfer rack for round bar type workpieces, which comprises a support, a plurality of supporting square tubes are arranged at the top end of the support side by side, a plurality of round bar type workpieces are placed on the supporting square tubes, and the supporting square tubes are obliquely arranged so that the round bar type workpieces can roll downwards along the length direction of the supporting square tubes. The tail end of the supporting square pipe is provided with a material turning mechanism and a base plate, discharging plates are installed on the base plate at intervals, the ends, away from the base plate, of the discharging plates protrude upwards to form clamping hook parts, the material turning mechanism is used for sequentially transferring all round bar type workpieces to the discharging plates, and the discharging plates are obliquely arranged. Therefore, the transferred round bar workpieces roll downwards to the clamping hook parts. According to the material turning mechanism, the hydraulic cylinder, the oil cylinder push block, the material stopping block, the first linkage shaft, the second linkage shaft and the material turning plate of the material turning mechanism are matched with one another, so that each round bar type workpiece is transferred to the discharging plate in sequence, and subsequent transfer of the round bar type workpieces is facilitated.

The utility model discloses a bar feeding device of a toothpick round bar machine, and relates to the technical field of toothpick production. The bar feeding device of the toothpick round bar machine comprises a machine frame, a bar lifting mechanism used for continuously lifting bars is arranged in the machine frame, and transverse plates are fixedly installed on the inner walls of the front side and the rear side of the machine frame. After the arc grab hook passes through the through groove, a bar at the bottom of the base is grabbed, the bar is conveyed and lifted along with the arc grab hook, the infrared sensor detects that the bar corresponds to the feeding hopper, the bar lifting mechanism stops moving, the second motor drives the threaded rod to rotate, and the bar is conveyed to the feeding hopper. The threaded rod is meshed with the movable push plate so that the movable push plate can move transversely, bars are pushed into the feeding hopper through transverse movement of the movable push plate, the bars are conveyed to a feeding roller of the round bar machine through the feeding hopper, and after feeding is completed, the other set of bars are conveyed to a proper position through the bar lifting mechanism.

The utility model discloses an urban rain sewage pipe network pollution discharge point traceability checking device, and particularly relates to the technical field of sewage pipe network pollution discharge point traceability checking, the urban rain sewage pipe network pollution discharge point traceability checking device comprises a sampling mechanism and a connecting mechanism used for urban rain sewage pipe network pollution discharge point traceability checking, the sampling mechanism comprises a sampling block, the sampling block is internally provided with a storage cavity and a detection cavity, and the storage cavity and the detection cavity are communicated with each other. A sewage detection device is arranged in the detection cavity, the connecting mechanism comprises a round block, two symmetrically distributed through holes are formed in the outer walls of the front side and the rear side of the round block, round rods are slidably arranged in the two through holes, racks are fixedly embedded in the sides, close to each other, of the two round rods, and a gear is engaged between the two racks. The two round rods are simultaneously adjusted through the motor, the gear and the two racks, and the rubber blocks on the round rods are firmly abutted against the inner wall of the urban rain sewage pipe network, so that the stability of the whole traceability checking device can be greatly improved, and the checking device can be prevented from being pushed by sewage flow to collide with the inner wall of the urban rain sewage pipe network to be damaged.

The embodiment of the present application provides a forging device for TC4 titanium alloy bars, including a pre-stressing part, a bar rotary feed part, and a forging part. A round bar to be forged is fixed on the bar rotary feed part, and the bar rotary feed part drives the round bar to rotate while feeding it in the direction of the forging part; the pre-stressing part is arranged between the forging part and the bar rotary feed part, and the pre-stressing part includes a pre-stressing support platform, a pre-stressing roller mechanism, and a scraping mechanism. The pre-stressing support platform is arranged below the round bar and supports the round bar; the pre-stressing roller mechanism is arranged above the round bar, and the pre-stressing roller mechanism applies downward pressure to the round bar; the scraping mechanism is arranged on one side of the pre-stressing support platform, and the scraping mechanism rests on the surface of the round bar. The scraping mechanism coats borax on the surface of the round bar while scraping off the oxide layer on the surface of the round bar. The forging device for TC4 titanium alloy bars provided in the embodiment of the present application can remove the oxide layer on the surface of the round bar before forging the round bar, thereby improving the mechanical properties of the round bar.

The invention belongs to the technical field of stainless steel round bar machining, and particularly relates to a bending and cutting device for stainless steel round bar machining, which comprises a machine body, a conveying pipe is fixedly connected to the upper surface of the machine body, the conveying pipe is used for conveying stainless steel round bars, a fixing table is further fixedly connected to the upper surface of the machine body, and a fixing plate is fixedly connected to the upper surface of the fixing table. A first hydraulic cylinder is fixedly connected to the upper surface of the fixing plate, a cut-off tool is arranged at the output end of the first hydraulic cylinder, a positioning disc is fixedly connected to the upper surface of the machine body, two rotating blocks are rotationally connected to the upper surface of the positioning disc, and a processing assembly is arranged on the upper surface of the machine body. The processing assembly comprises a first guide rail arranged on the upper surface of the machine body, two first guide plates are slidably connected into the first guide rail, a fixing frame is fixedly connected to the end of one of the first guide plates, a driving part is arranged in the fixing frame, and by arranging the processing assembly, the problem that burrs on the arc surface of the end of the stainless steel round bar are not cleaned is solved.

The utility model discloses a round bar sample surface polishing device which comprises a base, a centering part and an abrasive belt polishing part used for polishing a round bar sample, the centering part comprises a containing plate, a placing plate, a hollow column, a supporting column, a fixing frame and a pressing plate, and the containing plate is welded to the outer wall of the top of the base through a supporting block; the outer wall of the bottom of the containing plate is fixedly connected with a third electric telescopic rod, the containing plate is fixed to the output end of the third electric telescopic rod through a pin, the hollow column is movably connected to the inner wall of a through hole formed in the containing plate, and a three-jaw chuck is welded to the outer wall of the top of the supporting column. The polishing abrasive belt is in full contact with the circumferential outer wall of the round bar sample, so that polishing dead angles are avoided; the tensioning degree of the polishing abrasive belt can be adjusted, so that the polishing effect is guaranteed; and when the round bar sample needs to be polished, the whole device is covered with the two protective covers, and the safety of the polishing process is guaranteed.

The utility model provides a welding tool and system, and relates to the technical field of welding. The welding tool comprises a tool body and at least one pressing assembly, the tool body comprises a containing groove and a first supporting piece, the containing groove is used for containing a metal frame, the first supporting piece extends in the first direction and is arranged below the containing groove in the longitudinal direction, and the first supporting piece is used for supporting the metal frame; the first supporting piece comprises a plurality of first positioning grooves, the first positioning grooves are evenly formed in the top side of the first supporting piece in the first direction, each first positioning groove extends in the second direction and penetrates through the first supporting piece, and the width size of each first positioning groove in the first direction is matched with the diameter size of the metal round bar; the at least one pressing assembly is arranged on one side of the placing groove in the first direction and / or the second direction, the pressing assembly comprises a limiting piece, and at least part of the limiting piece extends to the position above the placing groove and is used for limiting the longitudinal displacement of the metal frame.

The application provides a rotating ultrasonic detection method for defects in the near surface area of a round bar, and relates to the technical field of material detection. The rotating ultrasonic detection method for defects in the near surface area of a round bar comprises the following steps: selecting a round bar with the same specification as the round bar to be detected as a sample bar, and setting a surface groove and a near-surface transverse hole on the sample bar; emitting ultrasonic waves from an ultrasonic probe to the sample bar to obtain ultrasonic signals corresponding to the surface groove and the near-surface transverse hole; adjusting the parameters of the ultrasonic probe according to the ultrasonic signals, and setting the parameters corresponding to the condition that the amplitudes of the ultrasonic signals corresponding to the surface groove and the near-surface transverse hole are consistent; making the ultrasonic probe scan the round bar to be detected with the set parameters; obtaining the set parameters of the ultrasonic probe corresponding to the condition that the amplitudes of the ultrasonic signals corresponding to the surface groove and the near-surface transverse hole are consistent, so that good scanning signals can be obtained for the surface groove damage and the near-surface transverse hole at the same time during the detection and verification of the near-surface area of the sample bar, the detection reliability is improved, the operation is simple, the success rate is high, and therefore the work efficiency is improved.

The invention relates to steel for an excavator driving gear and a manufacturing method thereof. The steel for the excavator driving gear comprises the following chemical components in percentage by mass: 0.24 to 0.28 percent of C, 0.30 to 0.45 percent of Si, 0.80 to 0.95 percent of Mn, 1.15 to 1.30 percent of Cr, less than or equal to 0.015 percent of P, 0.025 to 0.035 percent of S, 0.018 to 0.030 percent of Al, 0.0012 to 0.0018 percent of B, 0.05 to 0.10 percent of Cu, 0.16 to 0.28 percent of Ni, 0.06 to 0.12 percent of Mo, less than or equal to 0.003 percent of Sn, less than or equal to 0.003 percent of Sb, 0.006 to 0.0095 percent of N, less than or equal to 0.0010 percent of O and the balance of Fe and inevitable impurities. The method comprises the following steps: smelting in an electric furnace, refining in a refining furnace, vacuum degassing in a VD furnace, continuous casting, overall heating of a continuous casting blank, rolling into round steel, precise temperature control air cooling, and uniform slow cooling in a pit. The steel has the characteristics that the steel oxygen content O is smaller than or equal to 0.0010%, the steel oxide sum index K2 (O) is smaller than or equal to 20, the round bar center segregation is smaller than or equal to 0.5 level, the steel structure is uniform pearlite and ferrite, the diameter of the pearlite and the diameter of the ferrite are 18-25 micrometers, the hardness discrete value of each rolled round bar with the same furnace number is controlled to be smaller than or equal to 15 HBW, and the bending degree of the round bars is smaller than or equal to 2.0 mm / m.

The utility model relates to the technical field of steel production, in particular to a sampling and transferring system for steel production. The utility model provides a sampling and transferring system for steel production. The sampling and transferring system comprises a sampling and blanking device and a conveyor, the sampling and discharging device comprises a sampling device and a discharging device; the sampling device is provided with a first station and a second station, the discharging device is provided with a third station and a fourth station, and the conveyor is provided with a fifth station and a sixth station; the second station is adjacent to the third station, and the fourth station is adjacent to the fifth station; when the sampling device is located at the first station, the sampling device is used for receiving steel samples cut off in the cold shearing machine. According to the sampling and transferring system for steel production, manual sampling is not needed, the sampling efficiency is improved, workers can be prevented from being scalded by round bars during sampling, the safety performance is improved, manual carrying and transferring are not needed, and the production efficiency is improved.

The invention discloses a round bar processing equipment multi-parameter cooperative control method based on artificial intelligence, and particularly relates to the field of round bar processing equipment control, which comprises the steps of data acquisition, data processing, data analysis and result judgment. According to data acquisition, a force sensor, a temperature sensor, a displacement sensor and a vibration sensor of specific models are deployed, data are acquired according to different set frequencies of a high-speed cutting process and a common cutting process, abnormal values of the acquired data are eliminated according to the Pauta criterion in data processing, and Kalman filtering denoising and normalization operation are performed. And in the data analysis step, processed data are substituted into a turning and milling cutting force model, an improved Archard tool wear model and a multiple regression machining precision model to be solved, and according to result judgment, the machining quality is evaluated according to a solving result comparison standard, and the equipment state is judged in combination with a threshold value. According to the method, multi-parameter collaborative optimization is realized, the processing quality stability and efficiency are improved, the dependence on artificial experience is reduced, and the downtime is shortened.

The utility model discloses an electrode positioning clamp device of an electric discharge machine. The electrode positioning clamp device comprises a fixed seat, an adjusting plate, a rotating seat, a locker, a fixed sleeve, a clamping sleeve and a fixed rod, the top face of the fixing base can be fixedly installed on the electric spark machine head body, the adjusting plate is adjusted to be horizontal through the adjusting bolt, and the perpendicularity of an electrode is guaranteed. Angle adjustment is carried out on the structure in the rotating seat to ensure that the electrodes are parallel; the clamping sleeve is locked on the fixing sleeve through the locker, the fixing rod is clamped and fixed through the clamping sleeve, and then the round rod provided with the electrode can be installed on the fixing rod. According to the electrode positioning clamp device of the electric discharge machine, after being adjusted to be perpendicular and parallel, the fixing rod or the clamping sleeve can be repeatedly clamped, operation is easy, repeated use can be achieved, the positioning precision of the electrode is guaranteed, and the machining precision and the machining efficiency of the electric discharge machine are improved.

The utility model discloses a blanking mechanism suitable for metal round bars of multiple specifications, which belongs to the technical field of metal round bar processing and comprises an end face limiting plate, a material rolling face at the upper end of the end face limiting plate is located above a feeding track and is arranged in an inclined mode towards the feeding track so that the metal round bars can roll towards the feeding track. The material rolling plate is parallel to the end face limiting plate, a fixed material guiding slope and a movable material guiding piece are arranged at the end, close to the feeding rail, of the material rolling plate, and the upper end face of the fixed material guiding slope and the upper end face of the movable material guiding piece both incline towards the feeding rail; the movable material guiding piece can slide on the material rolling plate so as to adjust the width value of the included angle space.

The invention discloses a hot press forming feeding device and a hot press forming mechanism. The hot press forming feeding device includes a mounting seat, a mobile feeding mechanism, a feeding cylinder, a discharge seat, etc. The discharge seat has a discharge position with a side opening, and the discharge position is connected to the feeding mechanism to realize automatic feeding of the workpiece; the mobile feeding mechanism is installed with a transfer cylinder, and the transfer cylinder is connected with an air clamp for clamping the workpiece from the discharge seat. The hot press forming mechanism includes a press, a heating feeding module, a robot, etc. The heating feeding module includes a feeding mechanism, a high-frequency heating device, and a feeding device. In this way, the automatic loading, heating, feeding, stamping and other operations of round bar workpieces such as watch strap buckles can be automatically completed. The whole process has less manual intervention, high production efficiency, less labor, high equipment integration, less space occupied, and lower cost. At the same time, the feeding device has a simple structure, and the loading process of round bar workpieces is efficient, orderly, reliable and practical.

The utility model relates to the technical field of water softening, and provides a water distributor assembly, a tank body assembly and water softening equipment. The water distributor assembly comprises a disc body and a filter screen, the periphery of the disc body is suitable for abutting against the inner wall of the tank body assembly, the disc body comprises a plurality of vertical ribs and a plurality of round ribs, the round ribs are distributed in a concentric circle mode, the vertical ribs are connected between any two adjacent round ribs, and the distance between any two adjacent round ribs is gradually increased in the radial outward direction of the round ribs; the filter screen covers the disc body. According to the water distributor assembly provided by the utility model, the plurality of vertical ribs and the plurality of round ribs are arranged, the plurality of round ribs are distributed in a concentric circle manner, the vertical rib is connected between any two adjacent round ribs, and the distance between any two adjacent round ribs is gradually increased in the radial outward direction of the round ribs. In the radial outward direction of the disc body, the water flow passing through the disc body is larger and larger, so that the water flow is in full contact with the resin, and the resin utilization rate is increased.

The invention provides a forging method of an eccentric crankshaft, which comprises the following steps of: stamping a round bar-shaped blank to divide the round bar-shaped blank into a first part, a second part and a third part along the axial direction; the circular section of the round bar type blank in the radial direction is evenly divided into n fan-shaped parts with the central angle being theta in the circumferential direction, theta is larger than or equal to 30 degrees and smaller than or equal to 60 degrees, and 360 degrees are divided by theta to be an integer; the second part is placed on the lower V-shaped anvil, and the to-be-machined structures at different positions are rotated to the position below the upper flat anvil through the clamping piece; an upper flat anvil is used for carrying out pressing-down machining on the to-be-machined structure located on the lower portion so that the second part can be machined into an eccentric part, the extension length of the upper flat anvil in the radial direction of the second part is L, the chord length corresponding to each fan-shaped part is L1, the chord length corresponding to every two adjacent fan-shaped parts is L2, and L is larger than or equal to L1 and smaller than or equal to L2; and drawing out and finishing the first part and the third part. According to the scheme, the machining efficiency of the eccentric part can be improved.